Sterlitech CF016A-FO Supplemento
CF016A-FO CELL
ASSEMBLY & OPERATION
MANUAL
1. INTRODUCTION ........................................................................................ 1
2. CF016A-FO CELL COMPONENTS........................................................ 1
3. CF016A-FO CELL ASSEMBLY................................................................ 2
4. CF016A-FO CELL CONNECTIONS AND PARTS ................................4
5. OPERATION OF THE CF016A-FO CELL ............................................. 5
6. SUPPLEMENTARY OPERATING INFORMATION .............................. 6
7. ACCESSORY AND SPARE PART ORDERING INFORMATION ...........7
8. RETURN MATERIAL AUTHORIZATION................................................ 8
9. WARRANTY .............................................................................................. 8
10. TECHNICAL ASSISTANCE.................................................................... 8
APPENDIX 1: CF016A-FO APPLICATIONS............................................... 9
APPENDIX 2: BENCH SCALE FILTRATION PRODUCTS...................... 10
CONTENTS
1. INTRODUCTION
The CF016A-FO Cell is a laboratory-scale filtration unit that is designed to evaluate a
variety of engineered osmosis processes, including Forward Osmosis (FO), and Pressure
Retarded Osmosis (PRO). It simulates the flow dynamics of larger, commercially available
membrane elements such as industrial spiral wound membrane elements. Users can vary
the operating conditions and fluid dynamics over broad ranges.
Table 1 outlines the operational parameters and technical specifications of the CF016A-FO
Cell. Prior to operating or servicing this device, this manual must be read and understood.
Table 1: CF016A-FO Features and Technical Specification
Parameter Description
Membrane Active Area 20.6 cm² (3.2-inch²)
Hold up Volume 13 ml (0.44 oz)
CF016A-FO Acrylic
Maximum Pressure 27.6 bar (400 psig)
Maximum Temperature 77 °C (170 °F)
Maximum Bolts Torque Setting 45 in-lbs
Maximum Fittings Torque Setting 25 in-lbs
O-rings Buna* (Other materials available)
pH Range Membrane Dependent
Cross Flow Velocity Variable
Dimensions
2. CF016A-FO CELL COMPONENTS
The cell body consists of the tightening screws, cell top, membrane filter, O-rings, and
cell bottom. Figure 1 (see page 2) illustrates a typical assembly of the CF016A-FO. The
CF016A-FO is also packaged with a length of permeate tubing and membrane cutting
template.
Sterlitech Corporation | CF016A-FO Cell Manual
1
2.1 ADDITIONAL EQUIPMENT
The CF016A-FO cell also requires additional equipment to operate that are sold
separately:
• Feed Pump
• Feed Tank
• Draw Solution Pump
• Draw Solution Tank
• Filtration membrane packs
CF016A-FO Cell Manual | Sterlitech Corporation 2
Figure 1: CF016A-FO Cell Body Assembly
Legend:
1. Tightening Screws
2. Cell Top
3. O-Rings
4. Cell Bottom
1
2
3. CF016A-FO CELL ASSEMBLY
3
4
Sterlitech Corporation | CF016A-FO Cell Manual
3
After verifying that all of the necessary components were shipped and present, you can
begin the assembly of the cell.
To assemble the CF016A-FO Cell:
1. Wet the O-rings with a small amount of water or the fluid to be processed and install
them into the grooves on the cell bottom.
Caution: Make sure that the O-rings lie flat in the grooves of the cell bottom. Leaking may
occur if the O-rings do not lie flat in the grooves. The O-rings will be cut or crushed when
the system is operating if the O-rings are not installed correctly.
2. Place a piece of pre-cut membrane on to the cell bottom using the two alignment pins
to hold the membrane in position. The membrane should be installed with the shiny
or active side down facing the feed solution (bottom) in an FO process and facing the
draw solution (top) in a PRO process.
Note: If you are cutting your own membranes, the membrane’s outer edge should fit
between the inner and outer O-rings in the cell body to prevent leakage.
3. Place the cell top plate by aligning the two pins on the sides of the cell.
4. Insert one of the brass washers into each of the four holes at the corners of the cell
top.
5. Secure the cell top by inserting and tightening one of the provided screws into each of
the corner holes.
The CF016A-FO Cell is now assembled and ready to be connected to a feed pump for
operation.
CF016A-FO Cell Manual | Sterlitech Corporation 4
4. CF016A-FO CELL CONNECTIONS AND PARTS
Figure 2: Example CF016A-FO Flow Diagram
86
3
4
10
75
9
2
1
A
A
A
A
11
C
11
CF016A/ CF016SS/ CF016HAS FO FLOW DIAGRAM
Item No.
Part Description
1
Feed Tank
2
Feed Pump
3
Draw Solution Tank
4
Draw Solution Pump
5
Concentrate Pressure Control Valve
6
Draw Solution Pressure Control Valve
7
Concentrate Pressure Gauge
8
Draw Solution Pressure Gauge
9
Concentrate Flow Meter
10
Draw Solution Flow Meter
11
CF016A-FO Cell Assembly
A
3/8" Low Pressure Tubing
Sterlitech Corporation | CF016A-FO Cell Manual
5
Figure 2 shows typical plumbing connections that need to be made for the operation of
the CF016A-FO Cell; the configuration can change slightly depending on the objectives of
the user. In general, the connections to be made are:
1. Feed tank to the feed pump
2. Pump outlet to the feed inlet of the cell body
3. Feed outlet of the cell body to the concentrate collection tank/feed tank
4. Draw solution tank to the draw solution pump
5. Draw solution pump outlet to the draw solution inlet of the cell body
6. Draw solution outlet of the cell body to the draw solution collection/draw tank
Figure 2 also lists the additional components that are necessary to operate the CF016A-
FO cell. These components are sold separately and can be found in the Membrane/
Process Development section of the Sterlitech website (http://www.sterlitech.com/
membrane-processdevelopment.html). The final assembly of the forward osmosis system
will vary with the feed vessels, pumps, and tubing used.
5. OPERATION OF THE CF016A-FO CELL
Once the CF016A-FO Cell has been assembled and connected to a feed system, it can
be used in variety of applications that includes forward osmosis and pressure retarded
osmosis.
To operate the CF016A-FO Cell:
1. Open all of the valves in the system to relieve any pressure build-up before turning on
the feed pump.
2. Turn the feed and draw solution pump on.
3. Adjust the control valves (sold separately) to obtain the desired pressure and flow for
feed and draw solution.
Note: Experimentation enables you to determine the optimum settings for pressure, flow
rate, and shim/spacer combination to use on the chosen membrane and the fluid being
processed.
4. Once the experiment is complete, shut down the system by turning the feed and draw
solution pumps o and opening all of the valves to relieve any pressure build up.
CF016A-FO Cell Manual | Sterlitech Corporation 6
To replace a membrane filter:
1. Turn the feed and draw solution pump OFF.
2. Open all of the valves in the system to relieve any pressure build up.
3. Loosen the screws in the cell top.
4. Separate the cell body top from the cell bottom.
5. Remove the membrane.
6. Install the new membrane.
7. Reassemble the cell top and bottom.
8. Secure the cell top to the cell bottom using the screws.
9. Turn the feed and draw solution pump on.
6. SUPPLEMENTARY OPERATING INFORMATION
The membranes, feed spacer, permeate, O-rings, and cell body materials construction
dictate the maximum operating temperatures.
6.2 TEMPERATURE LIMITS
Table 2: Upper Temperature Limits
Component Maximum Temperature
CF016A-FO Cell 77 °C (170 °F)
Membrane Elements Variable
O-rings
Viton 200° C (400° F)
EPDM 150° C (300° F)
Buna-N 121° C (250° F)
6.1 MEMBRANE PERFORMANCE
Parameters such as viscosity, pressure, and suspended solids may also aect
performance/operation. Experimentation with the CF016A-FO Cell can help predict the
best operating parameters. If your pump is delivering too much flow, a portion of the flow
can be diverted back to the feed container before entering the feed inlet of the cell body.
This requires installation of an optional bypass valve and fitting on the pump outlet, which
is not supplied with the system.
Sterlitech Corporation | CF016A-FO Cell Manual
7
7. ACCESSORY AND SPARE PART ORDERING INFORMATION
Accessories and spare parts for the CF016D-FO Cell can be ordered by calling Sterlitech
Corporation at 1-877-544-4420 or by visiting www.sterlitech.com.
Table 3: Accessory and Spare Part Ordering Information
Product Shipping Weight Ordering Number
CF016A-FO Cell,
for operation to 27.6 bar (400 psig) CF016A-FO
Feed Flow Pump Contact Sterlitech Contact Sterlitech
Draw Solution Pump Contact Sterlitech Contact Sterlitech
Accessories
Feed Spacer Assortment Pack 17, 31, 47,
and 65 mil10.5 kg (1 lb) 1142820
CF016 Steel Rule Die 1230116
Stainless Steel Stand 3.1 kg (6.8 lbs) 1230031
Modified Osmosis Insert21230038
Spare Parts
EPDM O-rings 28 g (1 oz) CF-EPDM016
Viton O-rings 28 g (1 oz) CF-Viton016
Buna O-rings 28 g (1 oz) CF-Buna016
Back Pressure Control Valve, 0-400 psi30.9 kg (2 lbs) 1149428
CF016 Filter Support (Sintered Metal) 1230119
Membrane Packs Contact Sterlitech Contact Sterlitech
1 Other sizes are available. Contact Sterlitech Corporation for more information.
2 Modified Osmosis Insert is an accessory (sold separately) that is designed for experiments where
a dierential pressure is applied to the membrane sides, such as in a pressure-retarded osmosis
(PRO) process or an assisted FO.
3Other pressure ranges available.
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